| 100% | ATHENAEUM | 9 | The —, London private members' club founded in 1824 |
| 53% | REFORM | 6 | — Club, association founded in Pall Mall in 1836 that in 1981 became the first of the old London clubs to admit ladies as members |
| 43% | WHIG | 4 | Kit-Cat Club member in 18th-century London |
| 43% | WOOD | 4 | Henry —, conductor who founded the Promenade Concerts in London |
| 43% | HENRY | 5 | & 21D Conductor who founded the Promenade Concerts in London |
| 43% | ROGER | 5 | ___ Waters, founding member in the Pink Floyd line-up |
| 42% | LAGALAXY | 8 | Major League Soccer (MLS) club founded in 1994 that has won the most number of MLS Cups: 2 wds. |
| 42% | VENEZUELA | 9 | Only founding member of OPEC not located in the Mideast |
| 41% | CUB | 3 | Member of the ball club that plays home games in Chicago's Wrigley Field |
| 41% | GRESHAM | 7 | Sir Thomas —, 16th-century financier who founded the Royal Exchange in London |
| 41% | PALLMALL | 8 | Street in the City of Westminster, London, known for its many clubs |
| 40% | THESALVATION | 12 | & 10A Organisation founded as the East London Christian Mission by William Booth in 1865 |
| 40% | LINACRE | 7 | Thomas —, chief founder and first president of the Royal College of Physicians in London |
| 39% | ACMILAN | 7 | Renowned football club founded in 1899 |
| 38% | ELK | 3 | Member of the deer family found in the Rockies |
| 38% | MIRO | 4 | Victoria ___ Gallery, contemporary art gallery in London and Venice founded by the namesake British art dealer |
| 38% | BARRETT | 7 | Musician Syd, one of the founding members of Pink Floyd, who departed the band in 1968 |
| 38% | GAR | 3 | Fraternal org. for US Civil War vets founded in 1866 and dissolved with the death of its last member in 1956 |
| 38% | SIKH | 4 | Member of an Indian religion founded in the 16th-century |
| 38% | SIKH | 4 | Member of an Indian religion founded in the 16th century |
| 37% | SECRETHANDSHAKE | 15 | Greeting between members of an exclusive club, and what's hiding in the answer to the starred clues? |
| 37% | SIERRA | 6 | Club founded by the preservationist John Muir |
| 37% | SNOUTS | 6 | Found in the middle of pigs' faces |
| 37% | MARINE | 6 | Found in or produced by the sea |
| 37% | MARINE | 6 | Found in, or produced by the sea |
| 37% | PUPIL | 5 | Found in a classroom or the eye |
| 37% | MWA | 3 | Fraternal org. founded in 1883, now with over 740,000 members, that was to protect families after the death of a breadwinner. (abbr.) |
| 37% | READER | 6 | One found in the stacks |
| 37% | ASH | 3 | Powder found in the hearth |